Contributing Factor Search Results

How To: Use implicit differentiation

Taking this formula 9x²+y²=9 your instructor shows you how to find the solution for the variable y. Finding a second derivative is no more difficult that finding the first derivative, you only have to do the problem equation through twice. The derivative of 9x² will be 18, of y² will be 2y [this is the same as 2(y), 2 x y or 2 * y]. The problem now goes -18x + 2y dy/dx=0. This equation is solved for dy/dx making the next step in the problem go -18x 18x+2y dy/dx=0-18x, 2y dy/dx= -18x. The next...

How To: Choose a dog

Bringing a pet into your household is an important decision. Consider these factors when choosing a breed. Watch this video to learn how to choose the right dog breed for you.

How To: Buy and win eBay auctions

Help yourself win that must-have item with these tips. You Will Need: a computer with internet access, money, & patience. Create an account. Browse the categories to familiarize yourself with the site, especially if you don’t have a specific item in mind. If you know what you want, start searching by using broad terms and synonyms to yield the most results. Add quotes around your search terms or qualifiers, such as a specific color or size, to narrow the field. You can also post on the “Want ...

News: The iPhone XS & XS Max Are IP68 Water-Resistant — Here's What That Really Means

They're finally here. Apple announced three new iPhone models at their "Gather Round" event in Cupertino, and they're all absolutely gorgeous phones. With bezel-less screens and polished titanium edges, the iPhone XS, XS Max, and XR are truly marvels of engineering — but perhaps the most impressive design feat Apple pulled off is the fact that two of these models are rated IP68 under the IEC standard 60529.

How To: 3 Tips to Get to Inbox Zero Faster in Gmail

On average, an office worker receives 121 emails a day. Many of these emails are trivial and don't require immediate attention. While Gmail's automatic spam filters catch plenty of irrelevant emails, some still make their way into your inbox. Fortunately, Gmail's tools aren't limited to just spam filters.

News: Hino Motors Leads the Way to Japan's Planned 2020 Rollout of Commercial Truck Platooning

Japan is in the process of curbing its aging population and mature workforce. According to The Diplomat, the country's population has been declining at a steady rate. To meet future productivity demands in commercial and industrial sectors, local officials are turning to self-driving technology, including truck platooning, where three or five vehicles travel autonomously in a string formation. This practice, according to a study by MIT, can reduce fuel consumption by up to 20% (more about thi...

News: New Study Says Stopping Slimy Biofilms Could Save Thousands a Year from Legionnaires' Disease

In the summer of 1976, 4,000 American Legionnaires descended upon the Bellevue-Stratford Hotel in Philadelphia, Pennsylvania, for a four-day convention. Several days later, many of the attendees experienced symptoms of severe pneumonia. By the beginning of August, 22 people had died. The Centers for Disease Control and Prevention (CDC) estimate that about 180 people were sickened and 29 people died before this mysterious outbreak burnt out.

How To: The Scientific Methods for Boosting Your Willpower

Willpower is a pretty significant word. It's the difference between sticking with a clean eating diet and diving face-first into a plate of brownies. It's what drags you out of bed on Monday mornings and into work rather than letting you stay snuggled under the covers asleep. And, most importantly, it's the kick in the butt we all require to both accomplish goals and make changes.

From Beans to Your Cup: A Coffee Primer

To say we're a nation of coffee-lovers is putting it mildly. Americans consume 400 million cups of joe in one day alone, but how well do we actually know our morning BFF? We know it comes from a bean, and that more coffee drinks exist than there are ways to skin a pig, but what else?

How To: Choose Sunglasses

One of the vital fashion accessories is sunglasses. Sunglasses assist in creating a sort of unique identity for you. Your age, the shape of your face and of course your personal taste influences the precise style you decide on. There are some basic factors that must be put into consideration when you are thinking of buying your pair of sunglasses. It is important to be educated about what makes a quality pair of sunglasses. So when you want to choose your next pair of sunglasses, keep the fol...

How To: Make Glowing Green Candy

If there ever was a day to eat green candy, St. Patrick's Day would be it. But is there something better than the banality of green candy swarming the streets on St. Patty's Day? Yes—glowing green candy, and Instructables user BrittLiv wants us to show you how it's done.

How To: Make Indian poha chivda (rice snack)

Indian snacks are awesome, but when we look into the health factor, they go from 30 to 0 in 2 seconds flat. Poha chivda is a wonderful healthy snack alternative to the fried ones, you so yearn for at the stores. This poha chivda recipe has a great shelf life and is so easy to make. Make a big batch and store it or a small batch and keep it fresh. Just watch this how to video and learn how to make this Indian style rice dish.

How To: Remove the 'Connected to VPN' Notification on Your Samsung Galaxy Device

If you're using a VPN app to block ads or secure your Galaxy's internet connection, Samsung has decided you need yet another non-dismissible notification from One UI to tell you about it. Not just a status bar indicator like Bluetooth or Wi-Fi, but a full-size alert that can't be dismissed. The entire time your always-on VPN is running.

How To: Force Restart Your iPhone SE (2nd Generation) When It's Frozen or Otherwise Acting Up

Your brand new iPhone SE packs the latest A13 Bionic chip into the form factor of the iPhone 8. With all that modern tech, you'd expect your iPhone to be unstoppable. That said, no smartphone is perfect, and sometimes, the iPhone SE will give you trouble. If your device is frozen, bugging out, displaying the wrong data, or won't shut down the usual way, you might want to try a force restart.